block: genhd: Add NULL check for kobject_create_and_add in genhd_device_init#964
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…ce_init The kobject_create_and_add() call in genhd_device_init() may return NULL if memory allocation fails, but the return value was not being checked. This could lead to NULL pointer dereferences in subsequent calls to sysfs_create_link() and sysfs_remove_link() which use block_depr. Add proper error checking and cleanup path to handle the case when kobject_create_and_add() fails. Fixes: 721da5c ("driver core: remove CONFIG_SYSFS_DEPRECATED and CONFIG_SYSFS_DEPRECATED_V2") Signed-off-by: Li Jun <lijun01@kylinos.cn>
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Pull request for series with
subject: block: genhd: Add NULL check for kobject_create_and_add in genhd_device_init
version: 1
url: https://patchwork.kernel.org/project/linux-block/list/?series=1111616